387486660 has 48 divisors (see below), whose sum is σ = 1183597632. Its totient is φ = 93936000.

The previous prime is 387486653. The next prime is 387486667. The reversal of 387486660 is 66684783.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (387486653) and next prime (387486667).

It is not an unprimeable number, because it can be changed into a prime (387486667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292891 + ... + 294210.

It is an arithmetic number, because the mean of its divisors is an integer number (24658284).

Almost surely, 2^387486660 is an apocalyptic number.

387486660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

387486660 is an abundant number, since it is smaller than the sum of its proper divisors (796110972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

387486660 is a wasteful number, since it uses less digits than its factorization.

387486660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587124 (or 587122 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 387486660 is about 19684.6808457745. The cubic root of 387486660 is about 729.0415017741.

The spelling of 387486660 in words is "three hundred eighty-seven million, four hundred eighty-six thousand, six hundred sixty".